Home / 1,168,078-1,752,306.56-457,720.96

Finding the Fourth Proportional to 1,168,078, 1,752,306.56 and 457,720.96

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Solution

The fourth proportional to 1,168,078, 1,752,306.56 and 457,720.96 is: 686,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,078 : 1,752,306.56 = 457,720.96 : x
  2. Step 2: Convert to fraction form
    1,168,078/1,752,306.56 = 457,720.96/x
  3. Step 3: Cross multiply
    1,168,078x = 1,752,306.56 × 457,720.96
  4. Step 4: Simplify right side
    1,168,078x = 802,067,440,857.50
  5. Step 5: Solve for x
    x = 802,067,440,857.50/1,168,078
  6. Step 6: Final answer
    x = 686,655.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.